On Sun, 3 May 2009, Steven Hirsch wrote:
On Sat, 2 May 2009, David Griffith wrote:
1) Depending on how many 32k chips I have left, I
may go ahead and make 1M
modules of the sort that Terry made up a while ago. 512k chips in DIP
packages is very expensive, but for SMT packages, it's very cheap. The 1M
module is nothing more than a daughterboard that plugs into the P112 and
behaves exactly like a pair of DIPs.
David,
What do you consider expensive for 512k SRAM? I just purchased a couple from
Jameco for < $10 ea. Might be even less in quantity.
Someone pointed that out privately. I might go for them. Last time I did
the project, those chips were on the order of $17 apiece, which is a big
reason why Terry came up with the SMT modules.
--
David Griffith
dgriffi at
cs.csubak.edu
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